Planning for the weather is an important factor for making your trip to Nakhon Nayok a success, especially when you’re splurging. The hottest months are usually April and March, with an average temperature of 29°C, while the coldest months are January and December, with an average of 26°C. The rainiest months in Nakhon Nayok are September, August, July and June, with each month seeing an average of 263 mm of rainfall.